Beta-hCG, Serum Qualitative BCL6 (3q27) Gene Rearrangement by FISH Beta Globin (HBB) Gene Sequencing Beta-hCG, Serum Quantitative Beta-hCG, Urine Qualitative BK Virus, Quantitative PCR, Blood Beta-Hydroxybutyric Acid BK Virus, Quantitative PCR, Urine BF-1 by Immunohistochemistry Bladder Tumor Associated Antigen Bicarbonate (HCO(sub:3)), Urine Blastomyces Antibodies by CF and ID Bile Acids, Fractionated and Total by LC-MS/MS Blastomyces Antibody by CF Bile Acids, Total Blastomyces dermatitidis Antibodies by Immunodiffusion Bilirubin, CSF Blastomyces dermatitidis Antigen Quantitative by EIA Bilirubin, Direct and Total, Serum or Plasma Blastomyces dermatitidis Identification by DNA Probe